(19)
(11) EP 0 868 806 A1

(12)

(43) Date of publication:
07.10.1998 Bulletin 1998/41

(21) Application number: 96942527.0

(22) Date of filing: 20.12.1996
(51) International Patent Classification (IPC): 
G08B 15/ 00( . )
H04M 1/ 66( . )
H04M 1/ 667( . )
G08B 13/ 14( . )
H04M 1/ 663( . )
H04M 1/ 727( . )
(86) International application number:
PCT/GB1996/003177
(87) International publication number:
WO 1997/023986 (03.07.1997 Gazette 1997/29)
(84) Designated Contracting States:
FR GB

(30) Priority: 21.12.1995 GB 19950026235

(71) Applicant: BRITISH TECHNOLOGY GROUP LIMITED
London EC4M 7SB (GB)

(72) Inventor:
  • SANSOME, Andrew, Jonathan, Thomas
    Owslesbury Winchester SO21 1LL (GB)

(74) Representative: Johnson, Reginald George 
BTG International Ltd., 10 Fleet Place
London EC4M 7SB
London EC4M 7SB (GB)

   


(54) AN ELECTRONIC ANTI-THEFT APPARATUS AND RELATED METHOD